Researcher Database

（Last updated : 2021-10-28 19:39:24）

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SHIOMI Yasuhiro

Department / Course College of Science and Engineering Department of Civil and Environmental Engineering

Title / Position Associate Professor

Other Affiliations
1.	Kinugasa Research Organization Institute of Ars Vivendi

Academic background
1.	～2008/09	Doctorial Course │ Department of Urban Management │ Graduate School, Division of Engineering │ Kyoto University │ Completed Ph.D. (Engineering)
2.	～2004/03	Global Engineering │ Faculty of Engineering │ Kyoto University │ Graduated

Business career
1.	2008/10/01 ～ 2012/03/31	Assistant Professor │ │ Graduate School of Kyoto University

Research activities
1.		Eastern Asian Society for Transportation Stidies
2.		Traffic Science Society
3.		Japan Society of Traffic Engineers
4.		The City Planning Institute of Japan
5.		Japan Society of Civil Engineers
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Subject of research
1.	Managing mixed traffic realm to improve efficiency and safety
2.	Study on active and dynamic traffic management on expressway
3.	Traffic flow analysis: theoretical and empirical approach

Research summary
Realization of traffic system towards the creation of sustainable society Traffic is a social system that supports our social and economic activities and our daily life at its foundation. It is no exaggeration to say that our daily activities cannot exist without the current traffic system. However, chronic traffic jams occur in the cities and there is no end to traffic accidents. In local regions, the development of motorized society has forced the city centers to become shuttered and deserted of shops and public transportation systems to provide resident movement are on a declining trend. Furthermore, inefficient traffic systems bring about enormous energy consumption as well as being a cause for environmental deterioration like air pollution. These social issues concerning traffic can be considered to be the result of accumulation of decisions and behavior of each single individual. In our lab., light is shed on the relationship between the behavior of each single individual and traffic phenomena that occur as a result of accumulation of the behaviors, to study how a smooth, safe, comfortable, and environmentally compatible traffic system can be realized, using Intelligent Traffic System (ITS), information communication technology, etc., both theoretically and empirically. Specific contents are as follows: ■ Study of dynamic and active traffic flow management on highways With the utilization of ITS technology in mind, grasp the constantly changing traffic situation swiftly and accurately, to maximize the functions of the highways to match each situation, in order to take measures to maintain the smooth traffic flow at the highest possible level. ■Theoretical and empirical studies on road traffic flow In order to take effective measures to reduce or solve traffic jams, it is important to accurately grasp the mechanism of how they occur. Study is conducted mainly on traffic jams that occur in the bottlenecks of uninterrupted flow sections of highways, both theoretically and empirically. ■Optimum management of space intermingled with various subjects of transportation In the cities of South East Asia, motorcycles are widely used as a mode of transport and cars and motorcycles exist in an intermingled state. Even in Japan, road space where automobiles, pedestrians, and cyclists intermingle are not rare. Taking these “intermingled traffic” as subjects, study is conducted to propose a traffic management technique to improve safety, smoothness and efficiency. ■Others Studies for road network design that is robust against natural disasters and studies for public transportation service level improvement, etc. are being concluded, to create a better society, under the keyword of “traffic”.

Present specialized field
Traffic Engineering, Land Planning (Keyword：Traffic Engineering, Transportation Planning)

Books
1.	2013/12	Urban Transportation and Logistics: Health, Safety, and Security Concerns, chapter 5, Mixed Traffic in Asian Cities │ ,pp.101-122 (Co-authored)
2.	2012/10	Network Reliability in Practice, Chapter 9, Network Evaluation Based on Connectivity Reliability and Accssibility │ ,pp.131-150 (Co-authored)
3.	2021/05/01	Bottleneck │ International Encyclopedia of Transportation │ (Co-authored)
4.	2021/05/01	Flow breakdown │ International Encyclopedia of Transportation │ (Co-authored)
5.	2019/07	Intelligent Transport Systems for Everyone’s Mobility │ ,pp.Chapter 23 (Co-authored)

Papers
1.	2020/11	Intuitive Representation of Traffic Flow Dynamics: Application of Data Sonification │ Proceedings of 2020 IEEE Forum on Integrated and Sustainable Transportation Systems (FISTS) │ (Co-authored)
2.	2020/06/22	On the Possibility of Short-Term Traffic Prediction during Disaster with machine learning approaches: An exploratory analysis │ Transport Policy │ 98,pp.91-104 (Co-authored)
3.	2019/12	Dynamic calibration of microscopic traffic simulation at sags │ Proceedings of the 24th HKSTS international conference │ (Co-authored)
4.	2019/12	User’s willingness to adopt mobility as a service in Shiga, Japan │ Proceedings of the 24th HKSTS international conference │ (Co-authored)
5.	2019/07	Analysis of the Long-Term Variations in Traffic Capacity at Freeway Bottleneck │ Transportation Research Record: Journal of Transportation Research Board │ 2673 (7),pp.390-401 (Co-authored)
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Academic conference presentation
1.	2019/01/15	Analysis on the Longitudinal Variations of Traffic Capacity at Freeway Bottlenecks (TRB 98th annual meeting)
2.	2018/08/06	Representation of sag bottleneck phenomena by using commercial microscopic traffic simulators (ISTS & IWTDCS 2018)
3.	2018/08/04	Analysis on sag bottleneck phenomena based on multiclass traffic state estimation (ISTS & IWTDCS 2018)
4.	2017/01/10	Assessing the safety of signalized intersections: The influence of geometric attributes and regionality on traffic-accident risks (TRB 96th annual meeting)
5.	2017/01	Assessing the safety of signalized intersections: The influence of geometric attributes and regionality on traffic-accident risks (The proceedings of TRB 96th annual meeting)
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Winning science prize
1.	2012/12	Best paper award, the 11th ITS Symposium